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Methods and apparatus for ophthalmic devices including cycloidally oriented liquid crystal layers
专利权人:
Johnson & Johnson Vision Care; Inc.
发明人:
申请号:
EP14185223.6
公开号:
EP2848984B1
申请日:
2014.09.17
申请国别(地区):
EP
年份:
2018
代理人:
摘要:
This invention discloses methods and apparatus for providing a variable optic insert into an ophthalmic lens. A liquid crystal layer may be used to provide a variable optic function and in some examples, an alignment layer for the liquid crystal layer may be patterned in a cycloidally dependent manner. The patterning may allow for a polarization dependent lens in some examples. An energy source is capable of powering the variable optic insert included within the ophthalmic lens. In some examples, an ophthalmic lens is cast-molded from a silicone hydrogel. The various ophthalmic lens entities may include electroactive liquid crystal layers to electrically control optical characteristics.
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